1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 96Get this manual
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377 CID6.2L ENGINES
Diameter Taper
No.1, 2, 3, 4, Production Service Production Service No.1, 2, 3, No No.5 No.1, 2, 3, No No.5
2.4480-2.4485 (62.179-62.192) 0.0